Unsupervised Learning in R
Faculty of Economic Sciences
Department of Data Science
University of Warsaw
dr hab. prof. Jacek Lewkowicz

Introduction

The European Social Survey (ESS) provides high-quality open access data measuring public attitudes, beliefs and behaviour. In today’s paper I’ll be inspecting the whole dataset and the special variable “hincfel” feeling about households income nowadays.These results provide insight into economic well-being across European populations, highlighting disparities in perceived financial security.

I’ll use only Apriori algorithm to uncover some patters, keeping “hincfel” as a rule consequent. Later, there will be appropriate vizualizations such as parallel coordinates plot, bar chart, scatter plot, network graph and lastly sankey diagram.

Plan of the Paper:

  1. Access the European Social Survey(round 11) ESS
  2. Broadest geographical coverage
  3. Inspect the variable “hincfel”
  4. Association rules with hincfel as a rule consequent
  5. Analyze interpret the outcome
  6. Appropriate visualization

Access the European Social Survey

if (!require("pacman")) install.packages("pacman")
## Loading required package: pacman
## Warning: package 'pacman' was built under R version 4.4.2
pacman::p_load("yaml", "plotly", "ggplot2", "arules", "arulesViz", "caret", "GGally", "networkD3", "htmlwidgets")

setwd("C:\\Users\\khali\\Desktop\\ESS11_R2 (2)\\ESS11_R2")
Survey<-read.csv("ESS11.csv")
str(Survey) 
## 'data.frame':    40156 obs. of  640 variables:
##  $ name     : chr  "ESS11e02" "ESS11e02" "ESS11e02" "ESS11e02" ...
##  $ essround : int  11 11 11 11 11 11 11 11 11 11 ...
##  $ edition  : num  2 2 2 2 2 2 2 2 2 2 ...
##  $ proddate : chr  "20.11.2024" "20.11.2024" "20.11.2024" "20.11.2024" ...
##  $ idno     : int  50014 50030 50057 50106 50145 50158 50211 50212 50213 50235 ...
##  $ cntry    : chr  "AT" "AT" "AT" "AT" ...
##  $ dweight  : num  1.185 0.61 1.392 0.556 0.723 ...
##  $ pspwght  : num  0.393 0.325 4 0.176 1.061 ...
##  $ pweight  : num  0.331 0.331 0.331 0.331 0.331 ...
##  $ anweight : num  0.13 0.1076 1.3237 0.0583 0.3511 ...
##  $ nwspol   : int  90 90 30 15 60 120 45 120 20 120 ...
##  $ netusoft : int  5 5 5 1 5 5 1 5 5 1 ...
##  $ netustm  : int  180 570 30 6666 120 120 6666 240 180 6666 ...
##  $ ppltrst  : int  5 10 6 6 6 8 7 8 7 3 ...
##  $ pplfair  : int  5 0 9 6 3 8 7 8 8 4 ...
##  $ pplhlp   : int  5 1 8 6 8 4 8 8 7 3 ...
##  $ polintr  : int  1 2 2 3 2 2 2 1 3 2 ...
##  $ psppsgva : int  4 3 4 2 3 2 2 4 2 3 ...
##  $ actrolga : int  5 2 4 2 1 3 2 4 2 2 ...
##  $ psppipla : int  4 3 4 2 4 2 2 4 2 3 ...
##  $ cptppola : int  5 2 3 3 3 3 2 5 2 3 ...
##  $ trstprl  : int  6 6 7 5 6 3 6 9 6 8 ...
##  $ trstlgl  : int  9 6 5 6 8 5 5 9 7 8 ...
##  $ trstplc  : int  10 4 8 9 8 7 8 9 8 10 ...
##  $ trstplt  : int  5 1 4 3 5 5 4 7 3 8 ...
##  $ trstprt  : int  5 0 4 3 5 5 5 6 2 8 ...
##  $ trstep   : int  5 5 7 4 6 4 4 7 5 4 ...
##  $ trstun   : int  5 5 5 4 8 6 6 7 6 8 ...
##  $ vote     : int  1 1 1 2 1 1 1 1 1 1 ...
##  $ prtvtdat : int  1 5 5 66 5 7 1 5 5 2 ...
##  $ prtvtebe : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtchr : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtccy : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtffi : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtffr : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvgde1 : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvgde2 : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtegr : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvthhu : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvteis : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvteie : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvteit : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvclt1 : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvclt2 : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvclt3 : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtinl : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtcno : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtfpl : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtept : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtbrs : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtesk : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtgsi : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtges : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtdse : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvthch : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtvtdgb : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ contplt  : int  2 2 1 2 2 2 2 1 2 2 ...
##  $ donprty  : int  2 2 1 2 2 2 2 2 2 2 ...
##  $ badge    : int  2 1 2 2 2 2 2 2 2 2 ...
##  $ sgnptit  : int  2 1 1 2 1 2 2 1 2 2 ...
##  $ pbldmna  : int  2 1 1 2 2 2 2 1 2 2 ...
##  $ bctprd   : int  2 1 1 2 2 1 2 1 2 2 ...
##  $ pstplonl : int  2 2 1 2 2 2 2 1 2 2 ...
##  $ volunfp  : int  2 1 1 2 2 2 2 1 2 2 ...
##  $ clsprty  : int  1 1 1 2 1 2 1 1 2 2 ...
##  $ prtcleat : int  1 5 5 66 5 66 1 5 66 66 ...
##  $ prtclebe : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclbhr : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclccy : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclgfi : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclgfr : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclgde : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclegr : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclihu : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtcleis : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclfie : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclfit : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclclt : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclhnl : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclcno : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtcljpl : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclgpt : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclbrs : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclesk : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclgsi : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclhes : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtcldse : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtclhch : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtcldgb : int  NA NA NA NA NA NA NA NA NA NA ...
##  $ prtdgcl  : int  2 2 2 6 2 6 2 2 6 6 ...
##  $ lrscale  : int  5 0 3 5 2 4 4 3 5 5 ...
##  $ stflife  : int  8 9 10 7 9 8 8 8 8 8 ...
##  $ stfeco   : int  6 2 6 4 6 4 6 6 6 7 ...
##  $ stfgov   : int  4 5 5 4 7 2 3 6 5 8 ...
##  $ stfdem   : int  6 7 6 6 8 3 6 8 8 7 ...
##  $ stfedu   : int  8 10 5 5 9 3 88 6 9 8 ...
##  $ stfhlth  : int  8 10 8 2 9 7 7 7 9 9 ...
##  $ gincdif  : int  2 1 1 1 2 2 2 2 1 2 ...
##  $ freehms  : int  2 1 1 2 2 2 2 1 2 2 ...
##   [list output truncated]
dim(Survey)
## [1] 40156   640
head(summary(Survey), 5)
##      name              essround     edition    proddate              idno      
##  Length:40156       Min.   :11   Min.   :2   Length:40156       Min.   :50002  
##  Class :character   1st Qu.:11   1st Qu.:2   Class :character   1st Qu.:59407  
##  Mode  :character   Median :11   Median :2   Mode  :character   Median :68818  
##                     Mean   :11   Mean   :2                      Mean   :69002  
##                     3rd Qu.:11   3rd Qu.:2                      3rd Qu.:78245  
##     cntry              dweight           pspwght           pweight       
##  Length:40156       Min.   :0.08669   Min.   :0.03973   Min.   :0.03768  
##  Class :character   1st Qu.:0.91449   1st Qu.:0.65526   1st Qu.:0.31590  
##  Mode  :character   Median :0.99948   Median :0.89294   Median :0.38747  
##                     Mean   :1.00014   Mean   :1.00000   Mean   :1.03772  
##                     3rd Qu.:1.01493   3rd Qu.:1.16949   3rd Qu.:1.80290  
##     anweight             nwspol          netusoft        netustm    
##  Min.   : 0.007555   Min.   :   0.0   Min.   :1.000   Min.   :   0  
##  1st Qu.: 0.212257   1st Qu.:  30.0   1st Qu.:4.000   1st Qu.: 120  
##  Median : 0.476533   Median :  60.0   Median :5.000   Median : 240  
##  Mean   : 1.037716   Mean   : 207.2   Mean   :4.221   Mean   :1658  
##  3rd Qu.: 1.442220   3rd Qu.: 120.0   3rd Qu.:5.000   3rd Qu.: 600  
##     ppltrst          pplfair           pplhlp          polintr     
##  Min.   : 0.000   Min.   : 0.000   Min.   : 0.000   Min.   :1.000  
##  1st Qu.: 3.000   1st Qu.: 4.000   1st Qu.: 3.000   1st Qu.:2.000  
##  Median : 5.000   Median : 6.000   Median : 5.000   Median :3.000  
##  Mean   : 5.361   Mean   : 6.132   Mean   : 5.332   Mean   :2.633  
##  3rd Qu.: 7.000   3rd Qu.: 7.000   3rd Qu.: 7.000   3rd Qu.:3.000  
##     psppsgva        actrolga        psppipla        cptppola    
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :2.327   Mean   :2.211   Mean   :2.269   Mean   :2.289  
##  3rd Qu.:3.000   3rd Qu.:3.000   3rd Qu.:3.000   3rd Qu.:3.000  
##     trstprl          trstlgl          trstplc          trstplt      
##  Min.   : 0.000   Min.   : 0.000   Min.   : 0.000   Min.   : 0.000  
##  1st Qu.: 3.000   1st Qu.: 4.000   1st Qu.: 5.000   1st Qu.: 2.000  
##  Median : 5.000   Median : 6.000   Median : 7.000   Median : 4.000  
##  Mean   : 6.205   Mean   : 7.046   Mean   : 7.222   Mean   : 4.945  
##  3rd Qu.: 7.000   3rd Qu.: 8.000   3rd Qu.: 8.000   3rd Qu.: 6.000  
##     trstprt         trstep           trstun           vote      
##  Min.   : 0.0   Min.   : 0.000   Min.   : 0.00   Min.   :1.000  
##  1st Qu.: 2.0   1st Qu.: 3.000   1st Qu.: 4.00   1st Qu.:1.000  
##  Median : 4.0   Median : 5.000   Median : 6.00   Median :1.000  
##  Mean   : 5.2   Mean   : 9.544   Mean   :10.67   Mean   :1.382  
##  3rd Qu.: 6.0   3rd Qu.: 7.000   3rd Qu.: 7.00   3rd Qu.:2.000  
##     prtvtdat        prtvtebe       prtvtchr        prtvtccy        prtvtffi    
##  Min.   : 1.00   Min.   : 1.0   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 2.00   1st Qu.: 3.0   1st Qu.: 2.00   1st Qu.: 8.00   1st Qu.: 2.00  
##  Median : 5.00   Median :10.0   Median :10.00   Median :66.00   Median : 6.00  
##  Mean   :27.95   Mean   :30.3   Mean   :35.93   Mean   :40.95   Mean   :20.99  
##  3rd Qu.:66.00   3rd Qu.:66.0   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:22.00  
##     prtvtffr        prtvgde1        prtvgde2        prtvtegr    
##  Min.   : 1.00   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 5.00   1st Qu.: 2.00   1st Qu.: 2.00   1st Qu.: 1.00  
##  Median :66.00   Median : 4.00   Median : 4.00   Median : 3.00  
##  Mean   :37.08   Mean   :27.42   Mean   :25.78   Mean   :25.17  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     prtvthhu        prtvteis        prtvteie        prtvteit    
##  Min.   : 1.00   Min.   : 2.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 5.25   1st Qu.: 7.00   1st Qu.: 2.00   1st Qu.: 3.00  
##  Median : 6.00   Median : 8.00   Median : 4.00   Median :66.00  
##  Mean   :29.27   Mean   :28.69   Mean   :25.31   Mean   :41.13  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     prtvclt1        prtvclt2        prtvclt3        prtvtinl       prtvtcno    
##  Min.   : 1.00   Min.   : 1.00   Min.   : 3.00   Min.   : 1.0   Min.   : 1.00  
##  1st Qu.:12.00   1st Qu.:66.00   1st Qu.:66.00   1st Qu.: 3.0   1st Qu.: 3.00  
##  Median :66.00   Median :66.00   Median :66.00   Median : 7.0   Median : 7.00  
##  Mean   :43.34   Mean   :64.98   Mean   :65.74   Mean   :23.2   Mean   :19.34  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.0   3rd Qu.: 9.00  
##     prtvtfpl        prtvtept        prtvtbrs        prtvtesk    
##  Min.   : 1.00   Min.   : 2.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 2.00   1st Qu.:16.00   1st Qu.:31.00   1st Qu.: 2.00  
##  Median : 3.00   Median :18.00   Median :66.00   Median : 4.00  
##  Mean   :21.23   Mean   :40.86   Mean   :52.75   Mean   :21.54  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:77.00   3rd Qu.:66.00  
##     prtvtgsi        prtvtges        prtvtdse       prtvthch        prtvtdgb    
##  Min.   : 1.00   Min.   : 1.00   Min.   : 1.0   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 3.00   1st Qu.: 2.00   1st Qu.: 5.0   1st Qu.: 3.00   1st Qu.: 2.00  
##  Median :10.00   Median : 4.00   Median : 6.0   Median :66.00   Median : 3.00  
##  Mean   :35.23   Mean   :31.17   Mean   :13.3   Mean   :38.56   Mean   :27.61  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.: 7.0   3rd Qu.:66.00   3rd Qu.:66.00  
##     contplt         donprty          badge          sgnptit     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.881   Mean   :1.962   Mean   :1.957   Mean   :1.817  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##     pbldmna          bctprd         pstplonl        volunfp     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.937   Mean   :1.826   Mean   :1.878   Mean   :1.817  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##     clsprty         prtcleat        prtclebe        prtclbhr    
##  Min.   :1.000   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.:1.000   1st Qu.: 3.00   1st Qu.: 6.00   1st Qu.:19.00  
##  Median :2.000   Median :66.00   Median :66.00   Median :66.00  
##  Mean   :1.689   Mean   :41.31   Mean   :39.73   Mean   :48.95  
##  3rd Qu.:2.000   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     prtclccy        prtclgfi        prtclgfr        prtclgde    
##  Min.   : 3.00   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 8.00   1st Qu.: 3.00   1st Qu.: 8.00   1st Qu.: 4.00  
##  Median :66.00   Median : 8.00   Median :66.00   Median :66.00  
##  Mean   :43.32   Mean   :31.48   Mean   :43.66   Mean   :38.29  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     prtclegr        prtclihu        prtcleis        prtclfie    
##  Min.   : 1.00   Min.   : 1.00   Min.   : 2.00   Min.   : 1.00  
##  1st Qu.: 3.00   1st Qu.:10.00   1st Qu.: 8.00   1st Qu.: 4.00  
##  Median :66.00   Median :66.00   Median :66.00   Median :66.00  
##  Mean   :43.03   Mean   :45.22   Mean   :44.77   Mean   :42.45  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     prtclfit        prtclclt        prtclhnl        prtclcno    
##  Min.   : 1.00   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 5.00   1st Qu.:11.00   1st Qu.: 7.00   1st Qu.: 4.00  
##  Median :66.00   Median :66.00   Median :18.00   Median : 8.00  
##  Mean   :49.44   Mean   :49.64   Mean   :36.44   Mean   :30.38  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     prtcljpl        prtclgpt        prtclbrs        prtclesk    
##  Min.   : 1.00   Min.   : 3.00   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.: 2.00   1st Qu.:19.00   1st Qu.:20.50   1st Qu.: 4.00  
##  Median :66.00   Median :66.00   Median :66.00   Median :66.00  
##  Mean   :42.71   Mean   :44.02   Mean   :52.98   Mean   :41.26  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     prtclgsi        prtclhes        prtcldse        prtclhch        prtcldgb   
##  Min.   : 1.00   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00   Min.   : 1.0  
##  1st Qu.: 8.00   1st Qu.: 2.00   1st Qu.: 5.00   1st Qu.: 3.00   1st Qu.: 2.0  
##  Median :66.00   Median :66.00   Median : 6.00   Median :66.00   Median :66.0  
##  Mean   :48.13   Mean   :36.04   Mean   :26.53   Mean   :35.28   Mean   :39.6  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.0  
##     prtdgcl         lrscale         stflife           stfeco      
##  Min.   :1.000   Min.   : 0.00   Min.   : 0.000   Min.   : 0.000  
##  1st Qu.:2.000   1st Qu.: 4.00   1st Qu.: 6.000   1st Qu.: 3.000  
##  Median :6.000   Median : 5.00   Median : 8.000   Median : 5.000  
##  Mean   :4.423   Mean   :14.78   Mean   : 7.784   Mean   : 5.935  
##  3rd Qu.:6.000   3rd Qu.: 7.00   3rd Qu.: 9.000   3rd Qu.: 6.000  
##      stfgov           stfdem           stfedu          stfhlth      
##  Min.   : 0.000   Min.   : 0.000   Min.   : 0.000   Min.   : 0.000  
##  1st Qu.: 2.000   1st Qu.: 3.000   1st Qu.: 4.000   1st Qu.: 3.000  
##  Median : 4.000   Median : 5.000   Median : 6.000   Median : 5.000  
##  Mean   : 6.674   Mean   : 7.749   Mean   : 8.797   Mean   : 5.771  
##  3rd Qu.: 6.000   3rd Qu.: 7.000   3rd Qu.: 7.000   3rd Qu.: 7.000  
##     gincdif         freehms         hmsfmlsh        hmsacld     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:3.000   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :4.000   Median :3.000  
##  Mean   :2.168   Mean   :2.085   Mean   :4.111   Mean   :2.871  
##  3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:5.000   3rd Qu.:4.000  
##      euftf          lrnobed         loylead         imsmetn     
##  Min.   : 0.00   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.: 4.00   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median : 5.00   Median :2.000   Median :3.000   Median :2.000  
##  Mean   :10.83   Mean   :2.405   Mean   :3.268   Mean   :2.172  
##  3rd Qu.: 8.00   3rd Qu.:3.000   3rd Qu.:4.000   3rd Qu.:3.000  
##     imdfetn         impcntr         imbgeco          imueclt      
##  Min.   :1.000   Min.   :1.000   Min.   : 0.000   Min.   : 0.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.: 4.000   1st Qu.: 4.000  
##  Median :2.000   Median :2.000   Median : 6.000   Median : 6.000  
##  Mean   :2.484   Mean   :2.541   Mean   : 7.693   Mean   : 7.549  
##  3rd Qu.:3.000   3rd Qu.:3.000   3rd Qu.: 7.000   3rd Qu.: 8.000  
##     imwbcnt           happy           sclmeet          inprdsc     
##  Min.   : 0.000   Min.   : 0.000   Min.   : 1.000   Min.   : 0.00  
##  1st Qu.: 4.000   1st Qu.: 7.000   1st Qu.: 4.000   1st Qu.: 2.00  
##  Median : 5.000   Median : 8.000   Median : 5.000   Median : 3.00  
##  Mean   : 7.423   Mean   : 7.741   Mean   : 4.941   Mean   : 3.24  
##  3rd Qu.: 7.000   3rd Qu.: 9.000   3rd Qu.: 6.000   3rd Qu.: 4.00  
##      sclact          crmvct         aesfdrk          health     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :3.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :2.775   Mean   :1.904   Mean   :1.929   Mean   :2.154  
##  3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:3.000  
##     hlthhmp         atchctr          atcherp           rlgblg     
##  Min.   :1.000   Min.   : 0.000   Min.   : 0.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.: 7.000   1st Qu.: 5.000   1st Qu.:1.000  
##  Median :3.000   Median : 8.000   Median : 6.000   Median :1.000  
##  Mean   :2.694   Mean   : 8.198   Mean   : 7.027   Mean   :1.408  
##  3rd Qu.:3.000   3rd Qu.:10.000   3rd Qu.: 8.000   3rd Qu.:2.000  
##      rlgdnm         rlgdnbat       rlgdnacy         rlgdnafi       rlgdnade   
##  Min.   : 1.00   Min.   :   1   Min.   : 110.0   Min.   :   1   Min.   :   1  
##  1st Qu.: 1.00   1st Qu.:   1   1st Qu.: 310.0   1st Qu.:   1   1st Qu.:   2  
##  Median : 3.00   Median :   1   Median : 310.0   Median :6666   Median : 290  
##  Mean   :25.84   Mean   :2056   Mean   : 893.4   Mean   :3408   Mean   :3230  
##  3rd Qu.:66.00   3rd Qu.:6666   3rd Qu.: 310.0   3rd Qu.:6666   3rd Qu.:6666  
##     rlgdnagr       rlgdnhu        rlgdnais       rlgdnie        rlgdnlt    
##  Min.   :   3   Min.   : 110   Min.   :   1   Min.   :   1   Min.   :   1  
##  1st Qu.: 310   1st Qu.: 110   1st Qu.:   2   1st Qu.:   1   1st Qu.:   1  
##  Median : 310   Median : 250   Median :6666   Median :   1   Median :   1  
##  Mean   : 734   Mean   :2345   Mean   :3742   Mean   :1955   Mean   :1640  
##  3rd Qu.: 310   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:   7  
##     rlgdnanl       rlgdnno        rlgdnapl       rlgdnapt       rlgdnrs      
##  Min.   :   1   Min.   :   1   Min.   : 100   Min.   :   1   Min.   :   1.0  
##  1st Qu.:  26   1st Qu.:   1   1st Qu.: 110   1st Qu.:   1   1st Qu.:   3.0  
##  Median :6666   Median :6666   Median : 110   Median :   1   Median :   3.0  
##  Mean   :4814   Mean   :4121   Mean   :1376   Mean   :1788   Mean   : 797.4  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.: 110   3rd Qu.:6666   3rd Qu.:   3.0  
##     rlgdnask          rlgdnase       rlgdnach       rlgdngb        rlgblge     
##  Min.   :   1.00   Min.   :   1   Min.   : 110   Min.   :   1   Min.   :1.000  
##  1st Qu.:   2.00   1st Qu.:   2   1st Qu.: 110   1st Qu.:   2   1st Qu.:2.000  
##  Median :   2.00   Median :6666   Median : 710   Median :6666   Median :6.000  
##  Mean   :1628.96   Mean   :4516   Mean   :3405   Mean   :3937   Mean   :4.428  
##  3rd Qu.:   5.75   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6.000  
##     rlgdnme         rlgdebat       rlgdeacy       rlgdeafi       rlgdeade   
##  Min.   : 1.00   Min.   :   1   Min.   : 310   Min.   :   1   Min.   :   1  
##  1st Qu.:66.00   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666  
##  Median :66.00   Median :6666   Median :6666   Median :6666   Median :6666  
##  Mean   :58.37   Mean   :5633   Mean   :6427   Mean   :5596   Mean   :5359  
##  3rd Qu.:66.00   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##     rlgdeagr       rlgdehu        rlgdeais       rlgdeie        rlgdelt    
##  Min.   :   4   Min.   : 110   Min.   :   1   Min.   :   1   Min.   :   1  
##  1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666  
##  Median :6666   Median :6666   Median :6666   Median :6666   Median :6666  
##  Mean   :6583   Mean   :6534   Mean   :5115   Mean   :5726   Mean   :6334  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##     rlgdeanl       rlgdeno        rlgdeapl       rlgdeapt       rlgders    
##  Min.   :   1   Min.   :   1   Min.   : 100   Min.   :   1   Min.   :   1  
##  1st Qu.:  17   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666  
##  Median :6666   Median :6666   Median :6666   Median :6666   Median :6666  
##  Mean   :4841   Mean   :5390   Mean   :6053   Mean   :5963   Mean   :6530  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##     rlgdeask       rlgdease       rlgdeach       rlgdegb         rlgdgr      
##  Min.   :   1   Min.   :   1   Min.   : 110   Min.   :   1   Min.   : 0.000  
##  1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.: 2.000  
##  Median :6666   Median :6666   Median :6666   Median :6666   Median : 5.000  
##  Mean   :6455   Mean   :5729   Mean   :5327   Mean   :5784   Mean   : 5.296  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.: 7.000  
##     rlgatnd            pray           dscrgrp         dscrrce       
##  Min.   : 1.000   Min.   : 1.000   Min.   :1.000   Min.   :0.00000  
##  1st Qu.: 4.000   1st Qu.: 2.000   1st Qu.:2.000   1st Qu.:0.00000  
##  Median : 6.000   Median : 6.000   Median :2.000   Median :0.00000  
##  Mean   : 5.854   Mean   : 5.999   Mean   :1.962   Mean   :0.01198  
##  3rd Qu.: 7.000   3rd Qu.: 7.000   3rd Qu.:2.000   3rd Qu.:0.00000  
##     dscrntn           dscrrlg           dscrlng            dscretn        
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.000000   Min.   :0.000000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.000000  
##  Median :0.00000   Median :0.00000   Median :0.000000   Median :0.000000  
##  Mean   :0.01447   Mean   :0.01235   Mean   :0.004781   Mean   :0.009687  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.000000  
##     dscrage            dscrgnd           dscrsex            dscrdsb        
##  Min.   :0.000000   Min.   :0.00000   Min.   :0.000000   Min.   :0.000000  
##  1st Qu.:0.000000   1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.000000  
##  Median :0.000000   Median :0.00000   Median :0.000000   Median :0.000000  
##  Mean   :0.009563   Mean   :0.01541   Mean   :0.009687   Mean   :0.006151  
##  3rd Qu.:0.000000   3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.000000  
##     dscroth            dscrdk           dscrref             dscrnap      
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.0000000   Min.   :0.0000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.0000000   1st Qu.:1.0000  
##  Median :0.00000   Median :0.00000   Median :0.0000000   Median :1.0000  
##  Mean   :0.01581   Mean   :0.00132   Mean   :0.0004233   Mean   :0.9219  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.0000000   3rd Qu.:1.0000  
##      dscrna             ctzcntr        brncntr        cntbrthd        
##  Min.   :0.0000000   Min.   :1.00   Min.   :1.000   Length:40156      
##  1st Qu.:0.0000000   1st Qu.:1.00   1st Qu.:1.000   Class :character  
##  Median :0.0000000   Median :1.00   Median :1.000   Mode  :character  
##  Mean   :0.0002988   Mean   :1.06   Mean   :1.104                     
##  3rd Qu.:0.0000000   3rd Qu.:1.00   3rd Qu.:1.000                     
##     livecnta      lnghom1            lnghom2             feethngr    
##  Min.   :1934   Length:40156       Length:40156       Min.   :1.000  
##  1st Qu.:6666   Class :character   Class :character   1st Qu.:1.000  
##  Median :6666   Mode  :character   Mode  :character   Median :1.000  
##  Mean   :6206                                         Mean   :1.158  
##  3rd Qu.:6666                                         3rd Qu.:1.000  
##      facntr        fbrncntc             mocntr        mbrncntc        
##  Min.   :1.000   Length:40156       Min.   :1.000   Length:40156      
##  1st Qu.:1.000   Class :character   1st Qu.:1.000   Class :character  
##  Median :1.000   Mode  :character   Median :1.000   Mode  :character  
##  Mean   :1.157                      Mean   :1.141                     
##  3rd Qu.:1.000                      3rd Qu.:1.000                     
##     ccnthum          ccrdprs          wrclmch         admrclc     
##  Min.   : 1.000   Min.   : 0.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.: 3.000   1st Qu.: 5.000   1st Qu.:3.000   1st Qu.:1.000  
##  Median : 3.000   Median : 7.000   Median :3.000   Median :2.000  
##  Mean   : 5.636   Mean   : 7.965   Mean   :3.286   Mean   :2.017  
##  3rd Qu.: 4.000   3rd Qu.: 8.000   3rd Qu.:4.000   3rd Qu.:3.000  
##     testjc34       testjc35        testjc36       testjc37        testjc38    
##  Min.   : 0.0   Min.   : 0.00   Min.   : 0.0   Min.   :1.000   Min.   :1.000  
##  1st Qu.: 8.0   1st Qu.: 6.00   1st Qu.: 6.0   1st Qu.:4.000   1st Qu.:4.000  
##  Median :66.0   Median :66.00   Median :66.0   Median :6.000   Median :6.000  
##  Mean   :47.1   Mean   :46.58   Mean   :46.8   Mean   :5.003   Mean   :5.179  
##  3rd Qu.:66.0   3rd Qu.:66.00   3rd Qu.:66.0   3rd Qu.:6.000   3rd Qu.:6.000  
##     testjc39        testjc40        testjc41        testjc42    
##  Min.   :1.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:4.000   1st Qu.:3.000   1st Qu.:2.000   1st Qu.:3.000  
##  Median :6.000   Median :6.000   Median :6.000   Median :6.000  
##  Mean   :5.147   Mean   :4.857   Mean   :4.635   Mean   :4.697  
##  3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000  
##     vteurmmb        vteubcmb        ctrlife          etfruit      
##  Min.   : 1.00   Min.   : 1.00   Min.   : 0.000   Min.   : 1.000  
##  1st Qu.: 1.00   1st Qu.: 1.00   1st Qu.: 6.000   1st Qu.: 2.000  
##  Median : 1.00   Median : 2.00   Median : 8.000   Median : 3.000  
##  Mean   : 8.05   Mean   :15.36   Mean   : 7.809   Mean   : 3.338  
##  3rd Qu.: 1.00   3rd Qu.: 2.00   3rd Qu.: 9.000   3rd Qu.: 4.000  
##      eatveg           dosprt          cgtsmok         alcfreq      
##  Min.   : 1.000   Min.   : 0.000   Min.   :1.000   Min.   : 1.000  
##  1st Qu.: 2.000   1st Qu.: 1.000   1st Qu.:4.000   1st Qu.: 3.000  
##  Median : 3.000   Median : 3.000   Median :5.000   Median : 5.000  
##  Mean   : 3.336   Mean   : 4.123   Mean   :4.465   Mean   : 4.927  
##  3rd Qu.: 4.000   3rd Qu.: 6.000   3rd Qu.:6.000   3rd Qu.: 7.000  
##     alcwkdy        alcwknd        icgndra         alcbnge         height     
##  Min.   :   0   Min.   :   0   Min.   :1.000   Min.   :1.00   Min.   :106.0  
##  1st Qu.:  10   1st Qu.:  20   1st Qu.:1.000   1st Qu.:3.00   1st Qu.:165.0  
##  Median :  26   Median :  48   Median :2.000   Median :5.00   Median :170.0  
##  Mean   :2014   Mean   :2001   Mean   :2.639   Mean   :4.37   Mean   :190.5  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6.000   3rd Qu.:6.00   3rd Qu.:178.0  
##     weighta       dshltgp          dshltms          dshltnt      
##  Min.   : 30   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.: 65   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median : 75   Median :1.0000   Median :0.0000   Median :0.0000  
##  Mean   :116   Mean   :0.7249   Mean   :0.4465   Mean   :0.1872  
##  3rd Qu.: 87   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:0.0000  
##     dshltref           dshltdk            dshltna             medtrun     
##  Min.   :0.000000   Min.   :0.000000   Min.   :0.0000000   Min.   :1.000  
##  1st Qu.:0.000000   1st Qu.:0.000000   1st Qu.:0.0000000   1st Qu.:2.000  
##  Median :0.000000   Median :0.000000   Median :0.0000000   Median :2.000  
##  Mean   :0.001395   Mean   :0.001693   Mean   :0.0001743   Mean   :1.876  
##  3rd Qu.:0.000000   3rd Qu.:0.000000   3rd Qu.:0.0000000   3rd Qu.:2.000  
##     medtrnp           medtrnt           medtroc            medtrnl       
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.000000   Min.   :0.00000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.00000  
##  Median :0.00000   Median :0.00000   Median :0.000000   Median :0.00000  
##  Mean   :0.01385   Mean   :0.01116   Mean   :0.008965   Mean   :0.01616  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.00000  
##     medtrwl           medtrnaa          medtroth          medtrnap     
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.00000   Min.   :0.0000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:1.0000  
##  Median :0.00000   Median :0.00000   Median :0.00000   Median :1.0000  
##  Mean   :0.06808   Mean   :0.06888   Mean   :0.01123   Mean   :0.8463  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:1.0000  
##     medtrref            medtrdk            medtrna             medtrnu    
##  Min.   :0.0000000   Min.   :0.000000   Min.   :0.0000000   Min.   :1.00  
##  1st Qu.:0.0000000   1st Qu.:0.000000   1st Qu.:0.0000000   1st Qu.:1.00  
##  Median :0.0000000   Median :0.000000   Median :0.0000000   Median :1.00  
##  Mean   :0.0008218   Mean   :0.001021   Mean   :0.0002988   Mean   :2.11  
##  3rd Qu.:0.0000000   3rd Qu.:0.000000   3rd Qu.:0.0000000   3rd Qu.:2.00  
##     hlpfmly         hlpfmhr         trhltacu          trhltacp       
##  Min.   :1.000   Min.   : 1.00   Min.   :0.00000   Min.   :0.000000  
##  1st Qu.:1.000   1st Qu.: 3.00   1st Qu.:0.00000   1st Qu.:0.000000  
##  Median :2.000   Median :66.00   Median :0.00000   Median :0.000000  
##  Mean   :1.722   Mean   :47.61   Mean   :0.02712   Mean   :0.005952  
##  3rd Qu.:2.000   3rd Qu.:66.00   3rd Qu.:0.00000   3rd Qu.:0.000000  
##     trhltcm           trhltch           trhltos           trhltho       
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.00000   Min.   :0.00000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Median :0.00000   Median :0.00000   Median :0.00000   Median :0.00000  
##  Mean   :0.01031   Mean   :0.02871   Mean   :0.04607   Mean   :0.02901  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##     trhltht           trhlthy            trhltmt          trhltpt      
##  Min.   :0.00000   Min.   :0.000000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.00000   Median :0.000000   Median :0.0000   Median :0.0000  
##  Mean   :0.04998   Mean   :0.004756   Mean   :0.1274   Mean   :0.1814  
##  3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##     trhltre          trhltsh           trhltnt          trhltref      
##  Min.   :0.0000   Min.   :0.00000   Min.   :0.0000   Min.   :0.00000  
##  1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.0000   1st Qu.:0.00000  
##  Median :0.0000   Median :0.00000   Median :1.0000   Median :0.00000  
##  Mean   :0.0132   Mean   :0.01626   Mean   :0.6462   Mean   :0.00249  
##  3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:1.0000   3rd Qu.:0.00000  
##     trhltdk            trhltna              fltdpr         flteeff     
##  Min.   :0.000000   Min.   :0.0000000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:0.000000   1st Qu.:0.0000000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :0.000000   Median :0.0000000   Median :1.000   Median :2.000  
##  Mean   :0.003063   Mean   :0.0006226   Mean   :1.452   Mean   :1.707  
##  3rd Qu.:0.000000   3rd Qu.:0.0000000   3rd Qu.:2.000   3rd Qu.:2.000  
##      slprl          wrhpp           fltlnl          enjlf           fltsd      
##  Min.   :1.00   Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.00   1st Qu.:2.000   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :2.00   Median :3.000   Median :1.000   Median :3.000   Median :1.000  
##  Mean   :1.79   Mean   :2.951   Mean   :1.444   Mean   :2.928   Mean   :1.581  
##  3rd Qu.:2.00   3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:4.000   3rd Qu.:2.000  
##      cldgng         hltprhc          hltprhb          hltprbp       
##  Min.   :1.000   Min.   :0.0000   Min.   :0.0000   Min.   :0.00000  
##  1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.00000  
##  Median :1.000   Median :0.0000   Median :0.0000   Median :0.00000  
##  Mean   :1.577   Mean   :0.1084   Mean   :0.2064   Mean   :0.07827  
##  3rd Qu.:2.000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.00000  
##     hltpral          hltprbn          hltprpa          hltprpf      
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.1194   Mean   :0.3398   Mean   :0.2005   Mean   :0.2261  
##  3rd Qu.:0.0000   3rd Qu.:1.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##     hltprsd          hltprsc           hltprsh          hltprdi       
##  Min.   :0.0000   Min.   :0.00000   Min.   :0.0000   Min.   :0.00000  
##  1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.0000   1st Qu.:0.00000  
##  Median :0.0000   Median :0.00000   Median :0.0000   Median :0.00000  
##  Mean   :0.1451   Mean   :0.07869   Mean   :0.1132   Mean   :0.06515  
##  3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.0000   3rd Qu.:0.00000  
##     hltprnt          hltprref          hltprdk            hltprna         
##  Min.   :0.0000   Min.   :0.00000   Min.   :0.000000   Min.   :0.0000000  
##  1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.0000000  
##  Median :0.0000   Median :0.00000   Median :0.000000   Median :0.0000000  
##  Mean   :0.3089   Mean   :0.01028   Mean   :0.004856   Mean   :0.0001494  
##  3rd Qu.:1.0000   3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.0000000  
##     hltphhc           hltphhb           hltphbp           hltphal       
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.00000   Min.   :0.00000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Median :0.00000   Median :0.00000   Median :0.00000   Median :0.00000  
##  Mean   :0.04644   Mean   :0.04515   Mean   :0.03688   Mean   :0.02944  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##     hltphbn          hltphpa           hltphpf          hltphsd       
##  Min.   :0.0000   Min.   :0.00000   Min.   :0.0000   Min.   :0.00000  
##  1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.0000   1st Qu.:0.00000  
##  Median :0.0000   Median :0.00000   Median :0.0000   Median :0.00000  
##  Mean   :0.1575   Mean   :0.09627   Mean   :0.1258   Mean   :0.04908  
##  3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.0000   3rd Qu.:0.00000  
##     hltphsc          hltphsh           hltphdi           hltphnt     
##  Min.   :0.0000   Min.   :0.00000   Min.   :0.00000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.000  
##  Median :0.0000   Median :0.00000   Median :0.00000   Median :0.000  
##  Mean   :0.0135   Mean   :0.05628   Mean   :0.02092   Mean   :0.268  
##  3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:1.000  
##     hltphnap         hltphref            hltphdk             hltphna       
##  Min.   :0.0000   Min.   :0.0000000   Min.   :0.0000000   Min.   :0.00000  
##  1st Qu.:0.0000   1st Qu.:0.0000000   1st Qu.:0.0000000   1st Qu.:0.00000  
##  Median :0.0000   Median :0.0000000   Median :0.0000000   Median :0.00000  
##  Mean   :0.3241   Mean   :0.0003735   Mean   :0.0005977   Mean   :0.01021  
##  3rd Qu.:1.0000   3rd Qu.:0.0000000   3rd Qu.:0.0000000   3rd Qu.:0.00000  
##     hltprca         cancfre        cnfpplh         fnsdfml     
##  Min.   :1.000   Min.   :1.00   Min.   :1.000   Min.   :1.000  
##  1st Qu.:3.000   1st Qu.:6.00   1st Qu.:3.000   1st Qu.:3.000  
##  Median :3.000   Median :6.00   Median :4.000   Median :4.000  
##  Mean   :2.868   Mean   :5.77   Mean   :3.906   Mean   :3.765  
##  3rd Qu.:3.000   3rd Qu.:6.00   3rd Qu.:5.000   3rd Qu.:5.000  
##     jbexpvi          jbexpti          jbexpml          jbexpmc      
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.1546   Mean   :0.2752   Mean   :0.1051   Mean   :0.2656  
##  3rd Qu.:0.0000   3rd Qu.:1.0000   3rd Qu.:0.0000   3rd Qu.:1.0000  
##     jbexpnt          jbexpnap          jbexpref           jbexpdk        
##  Min.   :0.0000   Min.   :0.00000   Min.   :0.000000   Min.   :0.000000  
##  1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.000000  
##  Median :0.0000   Median :0.00000   Median :0.000000   Median :0.000000  
##  Mean   :0.4468   Mean   :0.09339   Mean   :0.001718   Mean   :0.002142  
##  3rd Qu.:1.0000   3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.000000  
##     jbexpna             jbexevl          jbexevh          jbexevc      
##  Min.   :0.0000000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.0007471   Mean   :0.2111   Mean   :0.1826   Mean   :0.1272  
##  3rd Qu.:0.0000000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##     jbexera           jbexecp          jbexebs          jbexent      
##  Min.   :0.00000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.00000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.00000   Median :0.0000   Median :0.0000   Median :1.0000  
##  Mean   :0.02712   Mean   :0.1194   Mean   :0.1439   Mean   :0.5213  
##  3rd Qu.:0.00000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:1.0000  
##     jbexenap          jbexeref           jbexedk            jbexena         
##  Min.   :0.00000   Min.   :0.000000   Min.   :0.000000   Min.   :0.0000000  
##  1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.000000   1st Qu.:0.0000000  
##  Median :0.00000   Median :0.000000   Median :0.000000   Median :0.0000000  
##  Mean   :0.09339   Mean   :0.002142   Mean   :0.001519   Mean   :0.0006973  
##  3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.000000   3rd Qu.:0.0000000  
##     nobingnd        likrisk         liklead         sothnds     
##  Min.   :1.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:4.000  
##  Median :2.000   Median :3.000   Median :3.000   Median :5.000  
##  Mean   :1.557   Mean   :2.642   Mean   :3.052   Mean   :4.488  
##  3rd Qu.:2.000   3rd Qu.:4.000   3rd Qu.:4.000   3rd Qu.:5.000  
##     actcomp         mascfel         femifel         impbemw      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   : 0.000  
##  1st Qu.:4.000   1st Qu.:0.000   1st Qu.:0.000   1st Qu.: 4.000  
##  Median :5.000   Median :3.000   Median :4.000   Median : 5.000  
##  Mean   :4.717   Mean   :2.919   Mean   :3.064   Mean   : 6.992  
##  3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.: 6.000  
##     trmedmw         trwrkmw         trplcmw         trmdcnt     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:3.000   1st Qu.:3.000   1st Qu.:3.000   1st Qu.:3.000  
##  Median :3.000   Median :3.000   Median :3.000   Median :3.000  
##  Mean   :2.955   Mean   :2.906   Mean   :3.109   Mean   :2.893  
##  3rd Qu.:3.000   3rd Qu.:3.000   3rd Qu.:3.000   3rd Qu.:3.000  
##     trwkcnt         trplcnt         eqwrkbg        eqpolbg        eqmgmbg     
##  Min.   :1.000   Min.   :1.000   Min.   :0.00   Min.   :0.00   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:3.000   1st Qu.:4.00   1st Qu.:4.00   1st Qu.:4.000  
##  Median :1.000   Median :3.000   Median :5.00   Median :5.00   Median :5.000  
##  Mean   :2.226   Mean   :3.246   Mean   :4.74   Mean   :4.86   Mean   :4.912  
##  3rd Qu.:3.000   3rd Qu.:3.000   3rd Qu.:6.00   3rd Qu.:6.00   3rd Qu.:6.000  
##     eqpaybg         eqparep         eqparlv         freinsw         fineqpy    
##  Min.   :0.000   Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.00  
##  1st Qu.:5.000   1st Qu.:2.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.00  
##  Median :6.000   Median :3.000   Median :2.000   Median :2.000   Median :2.00  
##  Mean   :5.243   Mean   :2.734   Mean   :2.661   Mean   :2.292   Mean   :2.25  
##  3rd Qu.:6.000   3rd Qu.:3.000   3rd Qu.:4.000   3rd Qu.:3.000   3rd Qu.:3.00  
##     wsekpwr         weasoff         wlespdm         wexashr         wprtbym    
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.00  
##  1st Qu.:2.000   1st Qu.:3.000   1st Qu.:3.000   1st Qu.:2.000   1st Qu.:2.00  
##  Median :3.000   Median :3.000   Median :4.000   Median :3.000   Median :2.00  
##  Mean   :3.229   Mean   :3.344   Mean   :3.715   Mean   :3.115   Mean   :2.65  
##  3rd Qu.:4.000   3rd Qu.:4.000   3rd Qu.:4.000   3rd Qu.:3.000   3rd Qu.:3.00  
##     wbrgwrm          hhmmb             gndr           gndr2          gndr3     
##  Min.   :1.000   Min.   : 0.000   Min.   :1.000   Min.   :1.00   Min.   :1.00  
##  1st Qu.:2.000   1st Qu.: 2.000   1st Qu.:1.000   1st Qu.:1.00   1st Qu.:2.00  
##  Median :3.000   Median : 2.000   Median :2.000   Median :2.00   Median :6.00  
##  Mean   :2.791   Mean   : 2.942   Mean   :1.533   Mean   :2.55   Mean   :4.21  
##  3rd Qu.:3.000   3rd Qu.: 3.000   3rd Qu.:2.000   3rd Qu.:2.00   3rd Qu.:6.00  
##      gndr4           gndr5           gndr6           gndr7      
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:6.000   1st Qu.:6.000   1st Qu.:6.000   1st Qu.:6.000  
##  Median :6.000   Median :6.000   Median :6.000   Median :6.000  
##  Mean   :4.979   Mean   :5.674   Mean   :5.913   Mean   :5.984  
##  3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000  
##      gndr8           gndr9           gndr10          gndr11         gndr12    
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.00   Min.   :1.00  
##  1st Qu.:6.000   1st Qu.:6.000   1st Qu.:6.000   1st Qu.:6.00   1st Qu.:6.00  
##  Median :6.000   Median :6.000   Median :6.000   Median :6.00   Median :6.00  
##  Mean   :6.002   Mean   :6.009   Mean   :6.014   Mean   :6.02   Mean   :6.03  
##  3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.00   3rd Qu.:6.00  
##      yrbrn           agea            yrbrn2         yrbrn3         yrbrn4    
##  Min.   :1933   Min.   : 15.00   Min.   :1933   Min.   :1933   Min.   :1933  
##  1st Qu.:1957   1st Qu.: 37.00   1st Qu.:1962   1st Qu.:2008   1st Qu.:6666  
##  Median :1971   Median : 53.00   Median :1978   Median :6666   Median :6666  
##  Mean   :2013   Mean   : 58.06   Mean   :3197   Mean   :4894   Mean   :5676  
##  3rd Qu.:1987   3rd Qu.: 67.00   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##      yrbrn5         yrbrn6         yrbrn7         yrbrn8         yrbrn9    
##  Min.   :1933   Min.   :1933   Min.   :1933   Min.   :1939   Min.   :1947  
##  1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.:6666  
##  Median :6666   Median :6666   Median :6666   Median :6666   Median :6666  
##  Mean   :6382   Mean   :6624   Mean   :6697   Mean   :6730   Mean   :6779  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##     yrbrn10        yrbrn11        yrbrn12        rshipa2         rshipa3     
##  Min.   :1953   Min.   :2016   Min.   :2011   Min.   : 1.00   Min.   : 1.00  
##  1st Qu.:6666   1st Qu.:6666   1st Qu.:6666   1st Qu.: 1.00   1st Qu.: 2.00  
##  Median :6666   Median :6666   Median :6666   Median : 1.00   Median :66.00  
##  Mean   :6810   Mean   :6695   Mean   :6699   Mean   :16.92   Mean   :40.63  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.: 5.00   3rd Qu.:66.00  
##     rshipa4        rshipa5         rshipa6         rshipa7         rshipa8     
##  Min.   : 1.0   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00   Min.   : 2.00  
##  1st Qu.:66.0   1st Qu.:66.00   1st Qu.:66.00   1st Qu.:66.00   1st Qu.:66.00  
##  Median :66.0   Median :66.00   Median :66.00   Median :66.00   Median :66.00  
##  Mean   :51.7   Mean   :61.43   Mean   :64.76   Mean   :65.73   Mean   :65.98  
##  3rd Qu.:66.0   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     rshipa9         rshipa10        rshipa11        rshipa12       rshpsts     
##  Min.   : 2.00   Min.   : 2.00   Min.   : 2.00   Min.   : 4.0   Min.   : 1.00  
##  1st Qu.:66.00   1st Qu.:66.00   1st Qu.:66.00   1st Qu.:66.0   1st Qu.: 1.00  
##  Median :66.00   Median :66.00   Median :66.00   Median :66.0   Median : 3.00  
##  Mean   :66.07   Mean   :66.15   Mean   :66.26   Mean   :66.3   Mean   :28.61  
##  3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.0   3rd Qu.:66.00  
##     rshpsgb         lvgptnea        dvrcdeva         marsts     
##  Min.   : 1.00   Min.   :1.000   Min.   :1.000   Min.   : 1.00  
##  1st Qu.:99.00   1st Qu.:1.000   1st Qu.:2.000   1st Qu.: 6.00  
##  Median :99.00   Median :2.000   Median :2.000   Median : 6.00  
##  Mean   :95.69   Mean   :2.205   Mean   :1.872   Mean   :34.88  
##  3rd Qu.:99.00   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:66.00  
##     marstgb         maritalb         chldhhe         domicil    
##  Min.   : 1.00   Min.   : 1.000   Min.   :1.000   Min.   :1.00  
##  1st Qu.:99.00   1st Qu.: 1.000   1st Qu.:1.000   1st Qu.:2.00  
##  Median :99.00   Median : 2.000   Median :2.000   Median :3.00  
##  Mean   :89.86   Mean   : 3.702   Mean   :2.968   Mean   :2.96  
##  3rd Qu.:99.00   3rd Qu.: 6.000   3rd Qu.:6.000   3rd Qu.:4.00  
##     paccmoro          paccdwlr          pacclift           paccnbsh       
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.000000   Min.   :0.000000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.000000  
##  Median :0.00000   Median :0.00000   Median :0.000000   Median :0.000000  
##  Mean   :0.04819   Mean   :0.05755   Mean   :0.006798   Mean   :0.008044  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.000000  
##     paccocrw        paccxhoc          paccnois          paccinro      
##  Min.   :0.000   Min.   :0.00000   Min.   :0.00000   Min.   :0.00000  
##  1st Qu.:0.000   1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Median :0.000   Median :0.00000   Median :0.00000   Median :0.00000  
##  Mean   :0.014   Mean   :0.03902   Mean   :0.04659   Mean   :0.03785  
##  3rd Qu.:0.000   3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##      paccnt          paccref            paccdk           paccna         
##  Min.   :0.0000   Min.   :0.00000   Min.   :0.0000   Min.   :0.0000000  
##  1st Qu.:1.0000   1st Qu.:0.00000   1st Qu.:0.0000   1st Qu.:0.0000000  
##  Median :1.0000   Median :0.00000   Median :0.0000   Median :0.0000000  
##  Mean   :0.7984   Mean   :0.01038   Mean   :0.0065   Mean   :0.0004233  
##  3rd Qu.:1.0000   3rd Qu.:0.00000   3rd Qu.:0.0000   3rd Qu.:0.0000000  
##     edulvlb           eisced          edlveat           edlvebe      
##  Min.   :   0.0   Min.   : 1.000   Min.   :   1.00   Min.   :   1.0  
##  1st Qu.: 313.0   1st Qu.: 3.000   1st Qu.:   6.00   1st Qu.:   6.0  
##  Median : 322.0   Median : 4.000   Median :   6.00   Median :   9.0  
##  Mean   : 443.2   Mean   : 4.532   Mean   :  60.46   Mean   : 106.3  
##  3rd Qu.: 610.0   3rd Qu.: 6.000   3rd Qu.:  10.00   3rd Qu.:  12.0  
##     edlvehr           edlvgcy          edlvdfi           edlvdfr       
##  Min.   :   1.00   Min.   :   0.0   Min.   :   1.00   Min.   :   1.00  
##  1st Qu.:   5.00   1st Qu.: 213.0   1st Qu.:   5.00   1st Qu.:   7.00  
##  Median :   6.00   Median : 313.0   Median :   7.00   Median :  11.00  
##  Mean   :  17.57   Mean   : 590.1   Mean   :  16.36   Mean   :  40.05  
##  3rd Qu.:   7.00   3rd Qu.: 620.0   3rd Qu.:  10.00   3rd Qu.:  17.00  
##     edudde1           educde2           edlvegr           edlvdahu      
##  Min.   :   1.00   Min.   :   0.00   Min.   :   1.00   Min.   :   1.00  
##  1st Qu.:   3.00   1st Qu.:   5.00   1st Qu.:   5.00   1st Qu.:   4.00  
##  Median :   3.00   Median :   8.00   Median :   5.00   Median :   6.00  
##  Mean   :  37.95   Mean   :  53.11   Mean   :  10.07   Mean   :  16.78  
##  3rd Qu.:   5.00   3rd Qu.:  13.00   3rd Qu.:   9.00   3rd Qu.:   7.00  
##     edlvdis           edlvdie           edlvfit           edlvdlt       
##  Min.   :   1.00   Min.   :   1.00   Min.   :   1.00   Min.   :   0.00  
##  1st Qu.:   6.00   1st Qu.:   4.00   1st Qu.:   4.00   1st Qu.:   7.00  
##  Median :  11.00   Median :   8.00   Median :   8.00   Median :   9.00  
##  Mean   :  74.47   Mean   :  44.24   Mean   :  72.17   Mean   :  23.98  
##  3rd Qu.:  13.75   3rd Qu.:  14.00   3rd Qu.:   9.00   3rd Qu.:  13.00  
##     edlvenl           edlveno           edlvipl           edlvept     
##  Min.   :   1.00   Min.   :   1.00   Min.   :   1.00   Min.   : 1.00  
##  1st Qu.:   5.00   1st Qu.:   5.00   1st Qu.:   5.00   1st Qu.: 2.00  
##  Median :  10.00   Median :   7.00   Median :   9.00   Median : 8.00  
##  Mean   :  48.15   Mean   :  21.05   Mean   :  41.01   Mean   : 7.16  
##  3rd Qu.:  15.00   3rd Qu.:   9.00   3rd Qu.:  12.00   3rd Qu.:10.00  
##     edlvdrs           edlvdsk           edlvesi           edlvies       
##  Min.   :   1.00   Min.   :   1.00   Min.   :   0.00   Min.   :   1.00  
##  1st Qu.:   7.00   1st Qu.:   6.00   1st Qu.:   3.00   1st Qu.:   8.00  
##  Median :   9.00   Median :   7.00   Median :   4.00   Median :  12.00  
##  Mean   :  59.85   Mean   :  84.21   Mean   :  56.36   Mean   :  42.11  
##  3rd Qu.:  12.00   3rd Qu.:   7.00   3rd Qu.:   7.00   3rd Qu.:  25.00  
##     edlvdse           edlvdch           educgb1          edubgb2      
##  Min.   :   1.00   Min.   :   1.00   Min.   :   1.0   Min.   :   1.0  
##  1st Qu.:   5.00   1st Qu.:  11.00   1st Qu.:   1.0   1st Qu.:   4.0  
##  Median :  10.00   Median :  12.00   Median :   4.0   Median :   9.0  
##  Mean   :  93.83   Mean   :  38.63   Mean   : 147.4   Mean   : 176.2  
##  3rd Qu.:  14.00   3rd Qu.:  17.00   3rd Qu.:   7.0   3rd Qu.:  11.0  
##     edagegb           eduyrs          pdwrk            edctn        
##  Min.   :  10.0   Min.   : 0.00   Min.   :0.0000   Min.   :0.00000  
##  1st Qu.:  16.0   1st Qu.:11.00   1st Qu.:0.0000   1st Qu.:0.00000  
##  Median :  18.0   Median :13.00   Median :1.0000   Median :0.00000  
##  Mean   : 195.7   Mean   :14.26   Mean   :0.5417   Mean   :0.07785  
##  3rd Qu.:  22.0   3rd Qu.:16.00   3rd Qu.:1.0000   3rd Qu.:0.00000  
##      uempla            uempli            dsbld              rtrd       
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.00000   Min.   :0.0000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.0000  
##  Median :0.00000   Median :0.00000   Median :0.00000   Median :0.0000  
##  Mean   :0.02707   Mean   :0.01781   Mean   :0.02707   Mean   :0.2859  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:1.0000  
##      cmsrv               hswrk            dngoth            dngref       
##  Min.   :0.0000000   Min.   :0.0000   Min.   :0.00000   Min.   :0.00000  
##  1st Qu.:0.0000000   1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Median :0.0000000   Median :0.0000   Median :0.00000   Median :0.00000  
##  Mean   :0.0006475   Mean   :0.1185   Mean   :0.01467   Mean   :0.00117  
##  3rd Qu.:0.0000000   3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##      dngdk               dngna             mainact         mnactic      
##  Min.   :0.0000000   Min.   :0.000000   Min.   : 1.00   Min.   : 1.000  
##  1st Qu.:0.0000000   1st Qu.:0.000000   1st Qu.:66.00   1st Qu.: 1.000  
##  Median :0.0000000   Median :0.000000   Median :66.00   Median : 1.000  
##  Mean   :0.0004981   Mean   :0.001693   Mean   :59.66   Mean   : 3.525  
##  3rd Qu.:0.0000000   3rd Qu.:0.000000   3rd Qu.:66.00   3rd Qu.: 6.000  
##      crpdwk         pdjobev         pdjobyr        emplrel          emplno     
##  Min.   :1.000   Min.   :1.000   Min.   :1933   Min.   :1.000   Min.   :    0  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:2021   1st Qu.:1.000   1st Qu.:66666  
##  Median :6.000   Median :6.000   Median :6666   Median :1.000   Median :66666  
##  Mean   :4.155   Mean   :3.934   Mean   :5184   Mean   :1.647   Mean   :59165  
##  3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6666   3rd Qu.:1.000   3rd Qu.:66666  
##     wrkctra          estsz           jbspv           njbspv     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :    0  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:   60  
##  Median :1.000   Median :3.000   Median :2.000   Median :66666  
##  Mean   :2.282   Mean   :2.934   Mean   :2.126   Mean   :49192  
##  3rd Qu.:3.000   3rd Qu.:4.000   3rd Qu.:2.000   3rd Qu.:66666  
##     wkdcorga        iorgact          wkhct           wkhtot     
##  Min.   : 0.00   Min.   : 0.00   Min.   :  0.0   Min.   :  0.0  
##  1st Qu.: 5.00   1st Qu.: 1.00   1st Qu.: 38.0   1st Qu.: 38.0  
##  Median : 8.00   Median : 5.00   Median : 40.0   Median : 40.0  
##  Mean   :12.54   Mean   :11.18   Mean   :155.8   Mean   :133.1  
##  3rd Qu.:10.00   3rd Qu.: 9.00   3rd Qu.: 48.0   3rd Qu.: 50.0  
##      nacer2         tporgwk           isco08         wrkac6m     
##  Min.   :  1.0   Min.   : 1.000   Min.   :    0   Min.   :1.000  
##  1st Qu.: 45.0   1st Qu.: 3.000   1st Qu.: 2635   1st Qu.:2.000  
##  Median : 65.0   Median : 4.000   Median : 5142   Median :2.000  
##  Mean   :144.9   Mean   : 9.897   Mean   :12371   Mean   :2.333  
##  3rd Qu.: 86.0   3rd Qu.: 4.000   3rd Qu.: 8131   3rd Qu.:2.000  
##      uemp3m         uemp12m         uemp5yr          mbtru      
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :6.000   Median :6.000   Median :3.000  
##  Mean   :1.775   Mean   :4.873   Mean   :4.878   Mean   :2.538  
##  3rd Qu.:2.000   3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:3.000  
##     hincsrca         hinctnta       hincfel         edulvlpb       eiscedp     
##  Min.   : 1.000   Min.   : 1.0   Min.   :1.000   Min.   :   0   Min.   : 1.00  
##  1st Qu.: 1.000   1st Qu.: 4.0   1st Qu.:1.000   1st Qu.: 322   1st Qu.: 4.00  
##  Median : 1.000   Median : 7.0   Median :2.000   Median : 720   Median : 7.00  
##  Mean   : 3.373   Mean   :21.3   Mean   :1.921   Mean   :3105   Mean   :30.82  
##  3rd Qu.: 4.000   3rd Qu.:10.0   3rd Qu.:2.000   3rd Qu.:6666   3rd Qu.:66.00  
##     edlvpfat       edlvpebe       edlvpehr       edlvpgcy       edlvpdfi   
##  Min.   :   1   Min.   :   1   Min.   :   1   Min.   :   0   Min.   :   1  
##  1st Qu.:   6   1st Qu.:   9   1st Qu.:   6   1st Qu.: 313   1st Qu.:   6  
##  Median :5555   Median :  16   Median :  11   Median : 620   Median :  12  
##  Mean   :3342   Mean   :2728   Mean   :2889   Mean   :3146   Mean   :2782  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##     edlvpdfr       edupdde1       edupcde2         edlvpegr      edlvpdahu   
##  Min.   :   1   Min.   :   0   Min.   :   0.0   Min.   :   1   Min.   :   1  
##  1st Qu.:   9   1st Qu.:   3   1st Qu.:   7.0   1st Qu.:   5   1st Qu.:   4  
##  Median :  20   Median :   5   Median :  14.5   Median :  11   Median :   8  
##  Mean   :2679   Mean   :2542   Mean   :2581.0   Mean   :2773   Mean   :2712  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666.0   3rd Qu.:6666   3rd Qu.:6666  
##     edlvpdis       edlvpdie       edlvpfit       edlvpdlt       edlvpenl   
##  Min.   :   1   Min.   :   1   Min.   :   1   Min.   :   0   Min.   :   1  
##  1st Qu.:   9   1st Qu.:   7   1st Qu.:   7   1st Qu.:  10   1st Qu.:  10  
##  Median :  15   Median :  16   Median :6666   Median :  15   Median :  16  
##  Mean   :2431   Mean   :2976   Mean   :3390   Mean   :3314   Mean   :2370  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##     edlvpeno       edlvphpl       edlvpept       edlvpdrs       edlvpdsk   
##  Min.   :   1   Min.   :   1   Min.   :   1   Min.   :   1   Min.   :   1  
##  1st Qu.:   6   1st Qu.:   8   1st Qu.:   5   1st Qu.:   9   1st Qu.:   7  
##  Median :  10   Median :  13   Median :  15   Median :  16   Median :  16  
##  Mean   :2398   Mean   :2653   Mean   :2960   Mean   :3287   Mean   :3104  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666  
##     edlvpesi       edlvphes       edlvpdse          edlvpdch       edupcgb1   
##  Min.   :   1   Min.   :   1   Min.   :   1.00   Min.   :   1   Min.   :   1  
##  1st Qu.:   4   1st Qu.:  10   1st Qu.:   8.25   1st Qu.:  12   1st Qu.:   4  
##  Median :   8   Median :  26   Median :  14.00   Median :  18   Median :9999  
##  Mean   :2575   Mean   :2741   Mean   :2248.03   Mean   :2506   Mean   :5530  
##  3rd Qu.:6666   3rd Qu.:6666   3rd Qu.:6666.00   3rd Qu.:6666   3rd Qu.:9999  
##     edupbgb2       edagepgb        pdwrkp           edctnp        
##  Min.   :   1   Min.   :  11   Min.   :0.0000   Min.   :0.000000  
##  1st Qu.:   9   1st Qu.:  19   1st Qu.:0.0000   1st Qu.:0.000000  
##  Median :9999   Median :9999   Median :0.0000   Median :0.000000  
##  Mean   :5555   Mean   :5674   Mean   :0.3475   Mean   :0.007047  
##  3rd Qu.:9999   3rd Qu.:9999   3rd Qu.:1.0000   3rd Qu.:0.000000  
##     uemplap           uemplip             dsbldp            rtrdp       
##  Min.   :0.00000   Min.   :0.000000   Min.   :0.00000   Min.   :0.0000  
##  1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.00000   1st Qu.:0.0000  
##  Median :0.00000   Median :0.000000   Median :0.00000   Median :0.0000  
##  Mean   :0.01038   Mean   :0.006026   Mean   :0.01178   Mean   :0.1609  
##  3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.00000   3rd Qu.:0.0000  
##      cmsrvp              hswrkp           dngothp             dngdkp        
##  Min.   :0.0000000   Min.   :0.00000   Min.   :0.000000   Min.   :0.000000  
##  1st Qu.:0.0000000   1st Qu.:0.00000   1st Qu.:0.000000   1st Qu.:0.000000  
##  Median :0.0000000   Median :0.00000   Median :0.000000   Median :0.000000  
##  Mean   :0.0001992   Mean   :0.07294   Mean   :0.006026   Mean   :0.000523  
##  3rd Qu.:0.0000000   3rd Qu.:0.00000   3rd Qu.:0.000000   3rd Qu.:0.000000  
##     dngnapp          dngrefp             dngnap             mnactp     
##  Min.   :0.0000   Min.   :0.000000   Min.   :0.000000   Min.   : 1.00  
##  1st Qu.:0.0000   1st Qu.:0.000000   1st Qu.:0.000000   1st Qu.:66.00  
##  Median :0.0000   Median :0.000000   Median :0.000000   Median :66.00  
##  Mean   :0.4187   Mean   :0.002042   Mean   :0.002216   Mean   :63.34  
##  3rd Qu.:1.0000   3rd Qu.:0.000000   3rd Qu.:0.000000   3rd Qu.:66.00  
##     crpdwkp         isco08p         emprelp         wkhtotp         edulvlfb   
##  Min.   :1.000   Min.   :    0   Min.   :1.000   Min.   :  0.0   Min.   :   0  
##  1st Qu.:6.000   1st Qu.: 6112   1st Qu.:1.000   1st Qu.: 40.0   1st Qu.: 113  
##  Median :6.000   Median :66666   Median :6.000   Median :666.0   Median : 313  
##  Mean   :5.073   Mean   :45598   Mean   :4.406   Mean   :468.4   Mean   :1016  
##  3rd Qu.:6.000   3rd Qu.:66666   3rd Qu.:6.000   3rd Qu.:666.0   3rd Qu.: 423  
##     eiscedf         edlvfeat       edlvfebe       edlvfehr       edlvfgcy     
##  Min.   : 1.00   Min.   :   1   Min.   :   1   Min.   :   1   Min.   :   0.0  
##  1st Qu.: 1.00   1st Qu.:   6   1st Qu.:   3   1st Qu.:   3   1st Qu.: 113.0  
##  Median : 3.00   Median :   6   Median :   8   Median :   5   Median : 213.0  
##  Mean   :10.15   Mean   : 330   Mean   :1191   Mean   : 242   Mean   : 674.9  
##  3rd Qu.: 5.00   3rd Qu.:   7   3rd Qu.:  14   3rd Qu.:   6   3rd Qu.: 313.0  
##     edlvfdfi         edlvfdfr       edufcde1       edufbde2       edlvfegr     
##  Min.   :   1.0   Min.   :   1   Min.   :   0   Min.   :   0   Min.   :   1.0  
##  1st Qu.:   2.0   1st Qu.:   3   1st Qu.:   2   1st Qu.:   7   1st Qu.:   2.0  
##  Median :   5.0   Median :   7   Median :   3   Median :   7   Median :   3.0  
##  Mean   : 596.2   Mean   :1452   Mean   :1124   Mean   :1110   Mean   : 155.8  
##  3rd Qu.:   9.0   3rd Qu.:  19   3rd Qu.:   5   3rd Qu.:  13   3rd Qu.:   5.0  
##    edlvfdahu         edlvfdis          edlvfdie         edlvffit     
##  Min.   :   1.0   Min.   :   1.00   Min.   :   1.0   Min.   :   1.0  
##  1st Qu.:   3.0   1st Qu.:   4.25   1st Qu.:   2.0   1st Qu.:   2.0  
##  Median :   4.0   Median :   9.00   Median :   3.0   Median :   4.0  
##  Mean   : 289.6   Mean   : 510.43   Mean   : 591.9   Mean   : 638.6  
##  3rd Qu.:   4.0   3rd Qu.:  13.00   3rd Qu.:   8.0   3rd Qu.:   8.0  
##     edlvfdlt       edlvfenl         edlvfeno         edlvfgpl     
##  Min.   :   0   Min.   :   1.0   Min.   :   1.0   Min.   :   1.0  
##  1st Qu.:   3   1st Qu.:   3.0   1st Qu.:   3.0   1st Qu.:   3.0  
##  Median :   8   Median :   6.0   Median :   6.0   Median :   5.0  
##  Mean   :1466   Mean   : 934.6   Mean   : 634.4   Mean   : 636.6  
##  3rd Qu.:  13   3rd Qu.:  14.0   3rd Qu.:   8.0   3rd Qu.:  10.0  
##     edlvfept         edlvfdrs         edlvfdsk         edlvfesi     
##  Min.   :   1.0   Min.   :   1.0   Min.   :   1.0   Min.   :   0.0  
##  1st Qu.:   2.0   1st Qu.:   3.0   1st Qu.:   6.0   1st Qu.:   2.0  
##  Median :   2.0   Median :   7.0   Median :   6.0   Median :   3.0  
##  Mean   : 625.6   Mean   : 360.8   Mean   : 631.6   Mean   : 482.3  
##  3rd Qu.:   5.0   3rd Qu.:   9.0   3rd Qu.:   7.0   3rd Qu.:   4.0  
##     edlvfges         edlvfdse       edlvfdch         edufcgb1       edufbgb2   
##  Min.   :   1.0   Min.   :   1   Min.   :   1.0   Min.   :   1   Min.   :   1  
##  1st Qu.:   2.0   1st Qu.:   2   1st Qu.:   5.0   1st Qu.:   4   1st Qu.:  11  
##  Median :   5.0   Median :   5   Median :  12.0   Median :   7   Median :  11  
##  Mean   : 484.2   Mean   : 752   Mean   : 707.7   Mean   :2337   Mean   :2385  
##  3rd Qu.:  12.0   3rd Qu.:  13   3rd Qu.:  16.0   3rd Qu.:7777   3rd Qu.:7777  
##     edagefgb       emprf14         occf14b         edulvlmb     
##  Min.   :  10   Min.   :1.000   Min.   : 1.00   Min.   :   0.0  
##  1st Qu.:  15   1st Qu.:1.000   1st Qu.: 4.75   1st Qu.: 113.0  
##  Median :  21   Median :1.000   Median : 6.00   Median : 229.0  
##  Mean   :3757   Mean   :1.596   Mean   :13.02   Mean   : 783.6  
##  3rd Qu.:8888   3rd Qu.:2.000   3rd Qu.: 8.00   3rd Qu.: 323.0  
##     eiscedm          edlvmeat         edlvmebe         edlvmehr      
##  Min.   : 1.000   Min.   :   1.0   Min.   :   1.0   Min.   :   1.00  
##  1st Qu.: 1.000   1st Qu.:   3.0   1st Qu.:   3.0   1st Qu.:   2.00  
##  Median : 2.000   Median :   6.0   Median :   8.0   Median :   3.00  
##  Mean   : 7.889   Mean   : 127.1   Mean   : 894.8   Mean   :  96.52  
##  3rd Qu.: 4.000   3rd Qu.:   6.0   3rd Qu.:  12.0   3rd Qu.:   6.00  
##     edlvmgcy         edlvmdfi         edlvmdfr       edumcde1   
##  Min.   :   0.0   Min.   :   1.0   Min.   :   1   Min.   :   0  
##  1st Qu.: 113.0   1st Qu.:   2.0   1st Qu.:   3   1st Qu.:   2  
##  Median : 113.0   Median :   5.0   Median :   7   Median :   2  
##  Mean   : 527.8   Mean   : 318.3   Mean   :1117   Mean   : 664  
##  3rd Qu.: 313.0   3rd Qu.:   8.0   3rd Qu.:  15   3rd Qu.:   3  
##     edumbde2         edlvmegr         edlvmdahu         edlvmdis     
##  Min.   :   0.0   Min.   :   1.00   Min.   :   1.0   Min.   :   1.0  
##  1st Qu.:   0.0   1st Qu.:   2.00   1st Qu.:   3.0   1st Qu.:   4.0  
##  Median :   7.0   Median :   2.00   Median :   4.0   Median :   5.0  
##  Mean   : 810.2   Mean   :  97.12   Mean   : 143.3   Mean   : 352.4  
##  3rd Qu.:   8.0   3rd Qu.:   5.00   3rd Qu.:   6.0   3rd Qu.:  13.0  
##     edlvmdie         edlvmfit         edlvmdlt         edlvmenl     
##  Min.   :   1.0   Min.   :   1.0   Min.   :   0.0   Min.   :   1.0  
##  1st Qu.:   2.0   1st Qu.:   2.0   1st Qu.:   2.0   1st Qu.:   3.0  
##  Median :   3.0   Median :   4.0   Median :   7.0   Median :   4.0  
##  Mean   : 525.2   Mean   : 493.3   Mean   : 778.5   Mean   : 769.1  
##  3rd Qu.:   7.0   3rd Qu.:   6.0   3rd Qu.:  12.0   3rd Qu.:  13.0  
##     edlvmeno         edlvmgpl       edlvmept         edlvmdrs   
##  Min.   :   1.0   Min.   :   1   Min.   :   1.0   Min.   :   1  
##  1st Qu.:   3.0   1st Qu.:   3   1st Qu.:   1.0   1st Qu.:   2  
##  Median :   5.0   Median :   5   Median :   2.0   Median :   4  
##  Mean   : 402.2   Mean   : 415   Mean   : 320.4   Mean   : 203  
##  3rd Qu.:   8.0   3rd Qu.:  10   3rd Qu.:   3.0   3rd Qu.:   9  
##     edlvmdsk         edlvmesi         edlvmges       edlvmdse     
##  Min.   :   1.0   Min.   :   0.0   Min.   :   1   Min.   :   1.0  
##  1st Qu.:   4.0   1st Qu.:   2.0   1st Qu.:   2   1st Qu.:   2.0  
##  Median :   6.0   Median :   3.0   Median :   4   Median :   5.0  
##  Mean   : 449.7   Mean   : 228.6   Mean   : 236   Mean   : 542.5  
##  3rd Qu.:   7.0   3rd Qu.:   4.0   3rd Qu.:  10   3rd Qu.:  12.0  
##     edlvmdch         edumcgb1       edumbgb2       edagemgb       emprm14     
##  Min.   :   1.0   Min.   :   1   Min.   :   1   Min.   :  10   Min.   :1.000  
##  1st Qu.:   3.0   1st Qu.:   4   1st Qu.:  11   1st Qu.:  16   1st Qu.:1.000  
##  Median :  11.0   Median :   7   Median :  11   Median :  19   Median :2.000  
##  Mean   : 494.6   Mean   :2095   Mean   :2150   Mean   :3362   Mean   :2.013  
##  3rd Qu.:  12.0   3rd Qu.:   7   3rd Qu.:  11   3rd Qu.:8888   3rd Qu.:3.000  
##     occm14b         atncrse         anctrya1         anctrya2     
##  Min.   : 1.00   Min.   :1.000   Min.   : 10000   Min.   : 10000  
##  1st Qu.: 5.00   1st Qu.:1.000   1st Qu.: 11070   1st Qu.: 23000  
##  Median : 8.00   Median :2.000   Median : 13030   Median :555555  
##  Mean   :30.86   Mean   :1.756   Mean   : 19304   Mean   :420660  
##  3rd Qu.:66.00   3rd Qu.:2.000   3rd Qu.: 14110   3rd Qu.:555555  
##     regunit         region             ipcrtiva     impricha   
##  Min.   :1.000   Length:40156       Min.   : 1   Min.   : 1.0  
##  1st Qu.:2.000   Class :character   1st Qu.: 2   1st Qu.: 3.0  
##  Median :2.000   Mode  :character   Median : 2   Median : 4.0  
##  Mean   :2.112                      Mean   : 4   Mean   : 5.5  
##  3rd Qu.:3.000                      3rd Qu.: 3   3rd Qu.: 5.0  
##     ipeqopta         ipshabta         impsafea         impdiffa     
##  Min.   : 1.000   Min.   : 1.000   Min.   : 1.000   Min.   : 1.000  
##  1st Qu.: 1.000   1st Qu.: 2.000   1st Qu.: 1.000   1st Qu.: 2.000  
##  Median : 2.000   Median : 3.000   Median : 2.000   Median : 3.000  
##  Mean   : 3.356   Mean   : 4.682   Mean   : 3.492   Mean   : 4.417  
##  3rd Qu.: 2.000   3rd Qu.: 4.000   3rd Qu.: 3.000   3rd Qu.: 4.000  
##     ipfrulea         ipudrsta         ipmodsta         ipgdtima     
##  Min.   : 1.000   Min.   : 1.000   Min.   : 1.000   Min.   : 1.000  
##  1st Qu.: 2.000   1st Qu.: 2.000   1st Qu.: 2.000   1st Qu.: 2.000  
##  Median : 3.000   Median : 2.000   Median : 2.000   Median : 3.000  
##  Mean   : 5.147   Mean   : 3.843   Mean   : 4.043   Mean   : 4.303  
##  3rd Qu.: 4.000   3rd Qu.: 3.000   3rd Qu.: 3.000   3rd Qu.: 4.000  
##     impfreea         iphlppla         ipsucesa         ipstrgva     
##  Min.   : 1.000   Min.   : 1.000   Min.   : 1.000   Min.   : 1.000  
##  1st Qu.: 1.000   1st Qu.: 1.000   1st Qu.: 2.000   1st Qu.: 1.000  
##  Median : 2.000   Median : 2.000   Median : 3.000   Median : 2.000  
##  Mean   : 3.396   Mean   : 3.389   Mean   : 4.727   Mean   : 4.232  
##  3rd Qu.: 3.000   3rd Qu.: 3.000   3rd Qu.: 4.000   3rd Qu.: 3.000  
##     ipadvnta         ipbhprpa         iprspota         iplylfra     
##  Min.   : 1.000   Min.   : 1.000   Min.   : 1.000   Min.   : 1.000  
##  1st Qu.: 3.000   1st Qu.: 2.000   1st Qu.: 2.000   1st Qu.: 1.000  
##  Median : 4.000   Median : 2.000   Median : 3.000   Median : 2.000  
##  Mean   : 5.252   Mean   : 4.173   Mean   : 4.825   Mean   : 3.234  
##  3rd Qu.: 5.000   3rd Qu.: 3.000   3rd Qu.: 4.000   3rd Qu.: 2.000  
##     impenva          imptrada         impfuna          testji1     
##  Min.   : 1.000   Min.   : 1.000   Min.   : 1.000   Min.   :1.000  
##  1st Qu.: 1.000   1st Qu.: 2.000   1st Qu.: 2.000   1st Qu.:4.000  
##  Median : 2.000   Median : 2.000   Median : 3.000   Median :6.000  
##  Mean   : 3.425   Mean   : 4.076   Mean   : 4.294   Mean   :4.993  
##  3rd Qu.: 3.000   3rd Qu.: 4.000   3rd Qu.: 4.000   3rd Qu.:6.000  
##     testji2         testji3         testji4         testji5     
##  Min.   :1.000   Min.   :1.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:4.000   1st Qu.:4.000   1st Qu.:3.000   1st Qu.:3.000  
##  Median :6.000   Median :6.000   Median :6.000   Median :6.000  
##  Mean   :5.166   Mean   :5.141   Mean   :4.844   Mean   :4.677  
##  3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:6.000  
##     testji6         testji7         testji8         testji9     
##  Min.   :0.000   Min.   : 0.00   Min.   : 0.00   Min.   : 0.00  
##  1st Qu.:3.000   1st Qu.: 7.00   1st Qu.: 6.00   1st Qu.: 6.00  
##  Median :6.000   Median :66.00   Median :66.00   Median :66.00  
##  Mean   :4.727   Mean   :46.37   Mean   :45.99   Mean   :46.24  
##  3rd Qu.:6.000   3rd Qu.:66.00   3rd Qu.:66.00   3rd Qu.:66.00  
##     respc19a        symtc19         symtnc19         vacc19     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:2.000   1st Qu.:6.000   1st Qu.:1.000  
##  Median :1.000   Median :2.000   Median :6.000   Median :1.000  
##  Mean   :1.832   Mean   :3.275   Mean   :5.139   Mean   :1.197  
##  3rd Qu.:3.000   3rd Qu.:6.000   3rd Qu.:6.000   3rd Qu.:1.000  
##      recon          inwds              ainws              ainwe          
##  Min.   :1.000   Length:40156       Length:40156       Length:40156      
##  1st Qu.:1.000   Class :character   Class :character   Class :character  
##  Median :2.000   Mode  :character   Mode  :character   Mode  :character  
##  Mean   :4.828                                                           
##  3rd Qu.:9.000                                                           
##     binwe              cinwe              dinwe              einwe          
##  Length:40156       Length:40156       Length:40156       Length:40156      
##  Class :character   Class :character   Class :character   Class :character  
##  Mode  :character   Mode  :character   Mode  :character   Mode  :character  
##                                                                             
##                                                                             
##     finwe              hinwe              iinwe              kinwe          
##  Length:40156       Length:40156       Length:40156       Length:40156      
##  Class :character   Class :character   Class :character   Class :character  
##  Mode  :character   Mode  :character   Mode  :character   Mode  :character  
##                                                                             
##                                                                             
##     rinwe              inwde              jinws              jinwe          
##  Length:40156       Length:40156       Length:40156       Length:40156      
##  Class :character   Class :character   Class :character   Class :character  
##  Mode  :character   Mode  :character   Mode  :character   Mode  :character  
##                                                                             
##                                                                             
##      inwtm              mode           domain           prob          
##  Min.   :   1.00   Min.   :1.000   Min.   :1.000   Min.   :2.768e-05  
##  1st Qu.:  43.00   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.284e-04  
##  Median :  53.00   Median :1.000   Median :2.000   Median :5.293e-04  
##  Mean   :  56.42   Mean   :1.052   Mean   :1.655   Mean   :8.610e-04  
##  3rd Qu.:  65.00   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:8.518e-04  
##     stratum            psu       
##  Min.   :   1.0   Min.   :    1  
##  1st Qu.: 321.0   1st Qu.: 4450  
##  Median : 779.0   Median : 9756  
##  Mean   : 743.3   Mean   : 9738  
##  3rd Qu.:1018.0   3rd Qu.:14358

The dataset is quite large with as many as 640 different columns (dimentions) and 40156 rows, respectively. Now I’ll move onto next tasks which includes first inspecting and later developing association rules with the variable “hincfel” as a rule consuquent

Inspect the variable “hincfel”

summary(Survey$hincfel) # summary
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   1.000   1.000   2.000   1.921   2.000   9.000
class(Survey$hencifel) # class 
## [1] "NULL"
sum(is.na(Survey$hincfel)) # missing values
## [1] 0
head(Survey$hincfel) # few first values
## [1] 1 2 1 2 2 1
table(Survey$hincfel) # frequency of values
## 
##     1     2     3     4     7     8     9 
## 14309 18108  5862  1426   299   133    19

Counting the occurance of variable

hincfel_df <- as.data.frame(table(Survey$hincfel))

counts <- as.data.frame(table(Survey$hincfel))

p <- ggplot(counts, aes(x = Var1, y = Freq, fill = Freq)) +
  geom_bar(stat = "identity") +
  geom_text(aes(label = paste0(round((Freq / sum(Freq)) * 100, 1), "%")), 
            vjust = -0.5, size = 3.5, fontface = "bold") + 
  scale_fill_gradient(low = "yellow", high = "green") +
  theme_minimal() +
  labs(
    title = "Distribution of Income Feeling in Europe",
    x = "Income Feeling (hincfel)",
    y = "Count"
  ) +
  theme(
    axis.text.x = element_text(angle = 0, hjust = 0.5),
    plot.margin = margin(20, 150, 20, 20),  
    legend.position = "none"  
  )
Survey$hincfel <- as.factor(Survey$hincfel)


counts <- as.data.frame(table(Survey$hincfel))

counts$Var1 <- as.numeric(as.character(counts$Var1))

p + annotate(
  "text",
  x = max(counts$Var1) + 1, y = max(counts$Freq) * 0.8,
  label = paste(
    "Options:",
    "1. Living comfortably",
    "2. Coping on income",
    "3. Difficult on income",
    "4. Very difficult",
    "7. Refusal",
    "8. Don't know",
    "9. No answer",
    sep = "\n"
  ),
  hjust = 0, vjust = 1, size = 4, fontface = "italic"
)

It’s visible from the chart that The majority of respondents report are barely making a living with their income (Category 2: 18.11k), making it the most frequent response. A significant proportion of individuals also state that they are living comfortably (Category 1: 14.31k), suggesting a relatively large segment of financial stability. Around 5.86k respondents report difficulty managing their income (Category 3), while 1.43k individuals indicate that they find it very difficult (Category 4) to make ends meet. The remaining categories (7, 8, and 9) represent refusals, “don’t know” responses, or no answers, each with a notably lower frequency. Very interestingly, the number of respondents coping on their income (18.11k) is 26% higher than those who feel comfortable (14.31k). Financial hardship (categories 3 and 4 combined) affects approximately 7.29k people, which is 40% of those who report living comfortably. A small minority of respondents (fewer than 1k) either refused to answer or were unsure about their income situation.

Develop association rules with hincfel as a rule consequent

hincfel_df <- as.data.frame(table(Survey$hincfel))

Discretize and Convert Data to Factors

Ensure relevant columns are factors for association rule mining

Survey$hincfel <- as.factor(Survey$hincfel)
Survey$gndr <- as.factor(Survey$gndr)
Survey$edulvlb <- as.factor(Survey$edulvlb)
Survey$cntry <- as.factor(Survey$cntry)

Select the relevant columns for association rule mining

variables <- Survey[, c("hincfel", "cntry", "polintr", "agea", "gndr", "edulvlb", "hinctnta")]

Discretizing continuous variables

variables$agea <- discretize(variables$agea, method = "interval", breaks = 4)
variables$hinctnta <- discretize(variables$hinctnta, method = "frequency", breaks = 4)

Convert the dataset to transaction format

transactions <- as(variables, "transactions")
## Warning: Column(s) 3 not logical or factor. Applying default discretization
## (see '? discretizeDF').

Checking item labels in transactions

itemLabels(transactions)  
##  [1] "hincfel=1"        "hincfel=2"        "hincfel=3"        "hincfel=4"       
##  [5] "hincfel=7"        "hincfel=8"        "hincfel=9"        "cntry=AT"        
##  [9] "cntry=BE"         "cntry=CH"         "cntry=CY"         "cntry=DE"        
## [13] "cntry=ES"         "cntry=FI"         "cntry=FR"         "cntry=GB"        
## [17] "cntry=GR"         "cntry=HR"         "cntry=HU"         "cntry=IE"        
## [21] "cntry=IS"         "cntry=IT"         "cntry=LT"         "cntry=NL"        
## [25] "cntry=NO"         "cntry=PL"         "cntry=PT"         "cntry=RS"        
## [29] "cntry=SE"         "cntry=SI"         "cntry=SK"         "polintr=[1,2)"   
## [33] "polintr=[2,3)"    "polintr=[3,9]"    "agea=[15,261)"    "agea=[261,507)"  
## [37] "agea=[507,753)"   "agea=[753,999]"   "gndr=1"           "gndr=2"          
## [41] "edulvlb=0"        "edulvlb=113"      "edulvlb=129"      "edulvlb=212"     
## [45] "edulvlb=213"      "edulvlb=221"      "edulvlb=222"      "edulvlb=223"     
## [49] "edulvlb=229"      "edulvlb=311"      "edulvlb=312"      "edulvlb=313"     
## [53] "edulvlb=321"      "edulvlb=322"      "edulvlb=323"      "edulvlb=412"     
## [57] "edulvlb=413"      "edulvlb=421"      "edulvlb=422"      "edulvlb=423"     
## [61] "edulvlb=510"      "edulvlb=520"      "edulvlb=610"      "edulvlb=620"     
## [65] "edulvlb=710"      "edulvlb=720"      "edulvlb=800"      "edulvlb=5555"    
## [69] "edulvlb=7777"     "edulvlb=8888"     "edulvlb=9999"     "hinctnta=[1,4)"  
## [73] "hinctnta=[4,7)"   "hinctnta=[7,10)"  "hinctnta=[10,99]"

Ensure ‘hincfel’ is represented correctly in transactions

hincfel_levels <- paste0("hincfel=", unique(Survey$hincfel))  # Correct format for item labels in r

Apply the Apriori algorithm with ‘hincfel’ as the consequent (rhs)

rules <- apriori(transactions,
                 parameter = list(supp = 0.01, conf = 0.8),
                 appearance = list(rhs = hincfel_levels),  # Ensure 'hincfel' is the consequent
                 control = list(verbose = TRUE))
## Apriori
## 
## Parameter specification:
##  confidence minval smax arem  aval originalSupport maxtime support minlen
##         0.8    0.1    1 none FALSE            TRUE       5    0.01      1
##  maxlen target  ext
##      10  rules TRUE
## 
## Algorithmic control:
##  filter tree heap memopt load sort verbose
##     0.1 TRUE TRUE  FALSE TRUE    2    TRUE
## 
## Absolute minimum support count: 401 
## 
## set item appearances ...[7 item(s)] done [0.00s].
## set transactions ...[73 item(s), 40156 transaction(s)] done [0.01s].
## sorting and recoding items ... [55 item(s)] done [0.00s].
## creating transaction tree ... done [0.01s].
## checking subsets of size 1 2 3 4 5 done [0.01s].
## writing ... [2 rule(s)] done [0.00s].
## creating S4 object  ... done [0.00s].
inspect(rules)
##     lhs                  rhs            support confidence   coverage     lift count
## [1] {cntry=NL,                                                                      
##      hinctnta=[7,10)} => {hincfel=1} 0.01180396  0.8088737 0.01459309 2.269979   474
## [2] {cntry=NL,                                                                      
##      agea=[15,261),                                                                 
##      hinctnta=[7,10)} => {hincfel=1} 0.01177906  0.8085470 0.01456818 2.269062   473

Both rules suggest a strong relationship between people in the Netherlands (cntry=NL), in the income range [7,10), (hinctnta=[7,10)), and the outcome hincfel=1. The rules indicate that when these conditions are present, there’s a very high probability (around 81%) of hincfel=1 occurring. Support and coverage are very low, which suggests that these rules apply to a small proportion of your total dataset (around 1-1.2%).

The lift value is relatively high (around 2.27), indicating that hincfel=1 is significantly more likely to occur under the given conditions than by chance. The second rule includes an additional condition, agea=[15,261), which doesn’t significantly change the overall support, confidence, or lift, suggesting that age within this range (15 to 261) does not drastically alter the likelihood of the outcome (hincfel=1).

Country and Income Level (Rule 1): There seems to be a significant relationship between individuals in the Netherlands (cntry=NL) with an income range of [7,10) and their likelihood of reporting hincfel=1. The lift of 2.27 indicates that this association is stronger than random chance, which suggests that these characteristics (cntry=NL and hinctnta=[7,10)) are good predictors for hincfel=1.

Adding Age (Rule 2): Including age (agea=[15,261)) doesn’t significantly change the strength or support of the rule. The confidence, lift, and support values remain almost identical, which suggests that age does not substantially impact the relationship between the antecedents and hincfel=1 in this case. Therefore, age might not be a key factor in predicting hincfel=1 compared to income and country.

Interpretation of Lift: Both rules have a lift of 2.27, meaning the likelihood of hincfel=1 increases significantly when these combinations of country, income level, and possibly age are present. This reinforces that the factors combined (cntry=NL, hinctnta=[7,10), and optionally agea=[15,261)) are very predictive of hincfel=1.

Application of the Rules: The rules are useful for identifying patterns in the data where certain socio-demographic conditions (like country and income) are strongly associated with a specific outcome (hincfel=1). These insights could be used for targeted interventions or analysis, particularly for individuals with the given socio-demographic characteristics.

Provide appropriate visualization

rule_df <- as(rules, "data.frame")
rule_df <- rule_df[, c("support", "confidence", "lift")]

Melt the dataframe to make it suitable for ggplot

rule_df_melt <- reshape2::melt(rule_df, variable.name = "Metric", value.name = "Value")
## No id variables; using all as measure variables
ggplot(rule_df_melt, aes(x = Metric, y = Value, fill = Metric)) +
  geom_bar(stat = "identity", position = "dodge") +
  labs(title = "Association Rules Metrics", x = "Metrics", y = "Values") +
  theme_minimal() +
  theme(legend.position = "none") +
  scale_fill_manual(values = c("skyblue", "orange", "green"))

ggplot(rule_df, aes(x = support, y = confidence)) +
  geom_point(aes(color = lift), size = 3) +
  labs(title = "Support vs Confidence of Rules", x = "Support", y = "Confidence") +
  scale_color_gradient(low = "yellow", high = "red") +
  theme_minimal()

plot(rules, method = "graph", control = list(type = "items"))
## Warning: Unknown control parameters: type
## Available control parameters (with default values):
## layout    =  stress
## circular  =  FALSE
## ggraphdots    =  NULL
## edges     =  <environment>
## nodes     =  <environment>
## nodetext  =  <environment>
## colors    =  c("#EE0000FF", "#EEEEEEFF")
## engine    =  ggplot2
## max   =  100
## verbose   =  FALSE

rules_data <- data.frame(
  cntry = c(rep("NL", 2)), 
  agea = c("[15,261)", "[15,261)"), 
  hinctnta = c("[7,10)", "[7,10)"), 
  hincfel = c("1", "1"),
  rule = c("Rule 1", "Rule 2")
)
rules_data$cntry <- as.factor(rules_data$cntry)
rules_data$agea <- as.factor(rules_data$agea)
rules_data$hinctnta <- as.factor(rules_data$hinctnta)
rules_data$hincfel <- as.factor(rules_data$hincfel)

Parallel Coordinates Plot

ggpairs(rules_data, aes(color = rule, alpha = 0.5)) +
  labs(title = "Parallel Coordinates Plot of Association Rules")

Sankey Diagramm

nodes <- data.frame(name = c("cntry=NL", "agea=[15,261)", "hinctnta=[7,10)", "hincfel=1"))
links <- data.frame(
  source = c(0, 1, 2),  # Indices for the nodes
  target = c(3, 3, 3),  # All lead to "hincfel=1"
  value = c(474, 473, 474)  # Values from the rules count
)
sankey <- sankeyNetwork(Links = links, Nodes = nodes, Source = "source", Target = "target", Value = "value", NodeID = "name", units = "Instances")

saveWidget(sankey, file = "sankey_diagram_HM_3.html")

sankey

The Sankey diagram shows how individuals in the Netherlands (NL), within a specific age range (15-261), and in income category [7,10], are classified into the financial well-being category (hincfel=1). The thickness of each flow represents the proportion of individuals transitioning from the left categories to the right category. Most of the people from the specified country, age group, and income range end up in hincfel = 1, meaning they consider their financial situation as comfortable.

People in the Netherlands, falling into the selected age and income range, predominantly feel financially comfortable (hincfel=1). The household income category (hincntta=[7,10]) seems positively correlated with a good financial situation. The Sankey diagram helps visualize how different factors (country, age, and income) influence financial well-being.

Thank you for following this Paper from start to finish.

The End